import java.util.List;

class Solution {
    public boolean isAcronym(List<String> words, String s) {
        if(words.size() != s.length()) return false ;
        for(int i = 0 ; i < s.length() ; i++){
            if(words.get(i).charAt(0) != s.charAt(i)){
                return false ;
            }
        }
         return true ;
    }
}